Heating device for oil-presses.



N0. 809,547. PATENTED JAN. 9, 1905.

- J. W. WINFREY.

HEATING DEVICE FOR OIL PRESSES.

APPLICATION FILED my 11. 1905.

*; JamaSW W a Witnesses nventor 4r I r 1 "J Attorneys UNITED STATESPATENT OFF-ICE.

HEATING DEVICE FOR OIL-PRESSES,

Specification of Letters Patent.

Patented Jan. 9, 1906.

Application filed May 11. 1905. Serial No. 260,001.

To all whom, it nwby concern:

Be it known that I, JAMES W. WINFREY, a citizen of the United States,residing at Ashdown, in the county of Little River and State ofArkansas, have invented a new and useful Heating Device for Oil-Presses,of which the following is a specification.

This invention relates to presses of that eneral class employed for exressing oil om cotton seed, linseed, and t 1e like, and

has for its principal object to improve the construction of the press insuch manner as to materially increase the yield of oil, espe cially whenstarting up after the press has been idle for some time.

It is found in practice that after shutting down on Saturday night andagain starting to work on Monday the ress is cold, the mass of metal,and especia y the head-block, being thoroughly chilled, and during thefirst pressing operations this materially interferes with the free flowof oil, especially from the bags in contact with the head-block, and itis not until the ress becomes heated that the full yield of 011 isobtained.

The object of the present invention is to revent this waste by heatingthe head-block in order to increase the temperature of the same to apoint where the flow of oil will not be retarded, it being found thatthe oil exudes more rapidly from a heated press than from one that hasbeen cooled off by exposure.

The accompanying drawing illustrates an oil-press constructed inaccordance with the invention, the head-block of the press being shownin section.

The base, plunger-block A, illars B, and head-block 10 are connecte inthe usual manner, and suitable means are employed for forcing theplunger upward to compress the material being treated.

In ordinary presses the head-block is usually formed of a mass of ironin the form of a solid block, which if thoroughly chilled will reducethe temperature of the material with which it is in contact, and thus imede the flow of oil. In the present case t e headblock 10 is hollow andis preferably provided with a plurality of diagonally arrangedstrengthening-ribs 11 to brace the -central portion of the lower face ofthe block. To

the upper portion of the block is connected a steam-supply pipe 12,having a reducingvalve 13 and a controlling-valve 14, so that steamunder anydesired pressure and in any desired uantity may be admitted tothe hollow hea -block, the waste steam and water of condensation passingofi through a valved exhaustpipe 15.

The heated block is found in practice to materially increase the yieldof oil and to prevent injury to the press-clothes, the heated blockpreventing clinging of the cloth thereto.

Having thus described the invention, what is claimed is An oil-presshaving a hollow head-block, and a plurality of strengthening-ribsarranged within the interior of the block for bracing the lower centralportion of the latter, said ribs being inclined upward from the centralportion toward the outer edges of said block, a steam-suppl pi eentering the upper portion of the hol ow ead, and an exhaust-pipeleading from the lower portion of said head,

the su ply-pipe being provided with a reducing-va ve for governing thequantityof steam admitted to said head.

In testimony that I claim the foregoing as my own I have hereto afiixedmy signature in the presence of two witnesses.

JAMES W. WINFREY.

Witnesses W. O. SIMS, MENEFEE FoR'rsoN.

